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Individual Calculations May 2012 |
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| Roberts, Marcel Total change: -13.20 | |   |
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| South African Junior Closed 2012 (u16 Boys) | Johannesburg | RSA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1838 | 2.00 | 6 | -0.88 | 15 | -13.20 | |
|  Bezuidenhout, Roland | | | 1874 | RSA | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Van De Venter, Waldo | | | 1903 | RSA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Darling, Paul | | | 1761 | RSA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Govindasamy, Nashlen | | | 1874 | RSA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Pon, Matt | | | 1744 | RSA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | De Abreu, Roberto | | | 1961 | RSA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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